Pentacarboxylic acid
[化] 五羧酸
🧩 词语组成解析
🗣️ 情景例句
Where can I find the information desk?
咨询台在哪儿？
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
Thank you. Goodbye.
谢谢。